CREDITS.md in fugit-1.4.1 vs CREDITS.md in fugit-1.4.2

@@ -1,7 +1,9 @@
 
 # fugit credits
 
+* Solteszad https://github.com/solteszad gh-51, fix previous_time vs last day of month
+* Niklas https://github.com/gr8bit gh-49, Fugit::Cron.parse('')
 * Matsuda Akira https://github.com/amatsuda gh-46, warning suppression
 * Honglooker https://github.com/honglooker gh-43, New York cron skip
 * Jérôme Dalbert https://github.com/jeromedalbert gh-41, gh-42
 * Danny Ben Shitrit https://github.com/DannyBen nat variants, gh-38
 * Dominik Sander https://github.com/dsander #rough_frequency 0, gh-36